Pakistan Foreign Minister Bilawal Bhutto-Zardari has said that deposed prime minister Imran Khan is not against the army's interference in politics but is upset with the powerful establishment only because it is no longer supporting him, according to a media report. "Khan's problem with the Pakistan Army began in April of last year when it declared that it would not get involved in politics and would not take sides,” Bilawal told Qatar-based Al Jazeera news channel on Saturday.